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What is the average of first 85 natural numbers?

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What is the average of first 85 natural numbers?
1. 85
2. 43
3. 42
4. 86
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Correct Answer - Option 2 : 43

Formula used:

Average of first n natural number = (n + 1)/2

Calculation:

Average of first 85 natural number = (85 + 1)/2 = 43

∴ The average of first 85 natural numbers is 43.

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